137916766531 has 2 divisors, whose sum is σ = 137916766532. Its totient is φ = 137916766530.

The previous prime is 137916766529. The next prime is 137916766571. The reversal of 137916766531 is 135667619731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137916766531 - 2¹ = 137916766529 is a prime.

It is a super-2 number, since 2×137916766531² (a number of 23 digits) contains 22 as substring.

Together with 137916766529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (137916766571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68958383265 + 68958383266.

It is an arithmetic number, because the mean of its divisors is an integer number (68958383266).

Almost surely, 2^137916766531 is an apocalyptic number.

137916766531 is a deficient number, since it is larger than the sum of its proper divisors (1).

137916766531 is an equidigital number, since it uses as much as digits as its factorization.

137916766531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 55.

The spelling of 137916766531 in words is "one hundred thirty-seven billion, nine hundred sixteen million, seven hundred sixty-six thousand, five hundred thirty-one".